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Chapter 1. Introduction

61200214L1-20 IQ Probe User Manual 1-3

these DLCIs at subscription time. SVCs, on the other hand, have DLCIs dy-

namically assigned each time a user protocol session is established. The

CPE equipment must request a call and the DLCI is assigned by the net-

work switching equipment. This DLCI is valid until the call is disconnect-

ed and may be assigned a different value each time a call is requested.

SNMP MANAGEMENT

SNMP management capability is provided in-band with support for RFC

1315 (frame relay DTE MIB), RFC 1213 (MIB II), and ADTRAN Enterprise

MIB. MIB files are available from ADTRAN in the support section of the

ADTRAN web page at www.adtran.com. Telnet capability is also sup-

ported. For non-TCP/IP environments, VT-100 and front panel operation

are supported.

The IQ Probe's embedded SNMP feature allows the unit to be accessed

and controlled by a network manager in-band at the DTE or DCE inter-

face, out-of-band at the control port via SLIP or async PPP, or using a LAN

connection.

The term SNMP broadly refers to the message protocols used to exchange

information between the network and the managed devices, as well as to

the structure of network management data bases. The three basic compo-

nents of SNMP follow:

Network Manager

Control program that collects, controls, and presents data pertinent to the

operation or management of the network devices. It resides on a network

management station.

Agent

Control program that resides in each connected network device. This pro-

gram responds to queries and commands from the network manager and

returns requested information or invokes configuration changes initiated

by the manager.

MIB

Index to the organized data within a network device. It defines the

operation parameters that can be controlled or monitored.

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ADTRAN 1200214L1 Especificaciones Pagina 31